Shigetsugu Yoshida

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spring produced by a process comprising coiling a hard drawn steel...
- Patent number 7,763,123
- Issue date Jul 27, 2010
- Kabushiki Kaisha Kobe Seiko Sho
- Sumie Suda
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel wire for hard drawn spring excellent in fatigue strength and...
- Patent number 7,597,768
- Issue date Oct 6, 2009
- Kabushiki Kaisha Kobe Seiko Sho
- Sumie Suda
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
STEEL WIRE FOR HARD DRAWN SPRING EXCELLENT IN FATIGUE STRENGTH AND...
- Publication number 20090283181
- Publication date Nov 19, 2009
- Kabushiki Kaisha Kobe Seiko Sho
- Sumie SUDA
- C21 - METALLURGY OF IRON
Information Patent Application
Steel wire for hard drawn spring excellent in fatigue strength and...
- Publication number 20050173028
- Publication date Aug 11, 2005
- Sumie Suda
- C21 - METALLURGY OF IRON